ES8607187A1 - Un procedimiento de preparacion de oxidos metalicos pulverulentos de reactividad predeterminada y regulada por la superficie especifica - Google Patents

Un procedimiento de preparacion de oxidos metalicos pulverulentos de reactividad predeterminada y regulada por la superficie especifica

Info

Publication number
ES8607187A1
ES8607187A1 ES537757A ES537757A ES8607187A1 ES 8607187 A1 ES8607187 A1 ES 8607187A1 ES 537757 A ES537757 A ES 537757A ES 537757 A ES537757 A ES 537757A ES 8607187 A1 ES8607187 A1 ES 8607187A1
Authority
ES
Spain
Prior art keywords
reactivity
regulated
specific surface
metallic oxides
default
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES537757A
Other languages
English (en)
Spanish (es)
Other versions
ES537757A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Comurhex pour La Conversion de lUranium en Metal et Hexafluorure SA
Original Assignee
Comurhex pour La Conversion de lUranium en Metal et Hexafluorure SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Comurhex pour La Conversion de lUranium en Metal et Hexafluorure SA filed Critical Comurhex pour La Conversion de lUranium en Metal et Hexafluorure SA
Publication of ES537757A0 publication Critical patent/ES537757A0/es
Publication of ES8607187A1 publication Critical patent/ES8607187A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G56/00—Compounds of transuranic elements
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G56/00—Compounds of transuranic elements
    • C01G56/004—Compounds of plutonium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/01—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/01—Oxides; Hydroxides
    • C01G43/025—Uranium dioxide
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/42—Selection of substances for use as reactor fuel
    • G21C3/58—Solid reactor fuel Pellets made of fissile material
    • G21C3/62—Ceramic fuel
    • G21C3/623—Oxide fuels
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C01P2006/82—Compositional purity water content
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Luminescent Compositions (AREA)
ES537757A 1983-11-25 1984-11-19 Un procedimiento de preparacion de oxidos metalicos pulverulentos de reactividad predeterminada y regulada por la superficie especifica Expired ES8607187A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8319173A FR2555566B1 (fr) 1983-11-25 1983-11-25 Procede de preparation d'oxydes metalliques pulverulents a partir de solutions aqueuses ou de melanges solides de nitrates metalliques
CN85103081A CN85103081B (zh) 1983-11-25 1985-04-23 生产金属氧化物的控制脱硝工艺

Publications (2)

Publication Number Publication Date
ES537757A0 ES537757A0 (es) 1986-05-16
ES8607187A1 true ES8607187A1 (es) 1986-05-16

Family

ID=25741582

Family Applications (1)

Application Number Title Priority Date Filing Date
ES537757A Expired ES8607187A1 (es) 1983-11-25 1984-11-19 Un procedimiento de preparacion de oxidos metalicos pulverulentos de reactividad predeterminada y regulada por la superficie especifica

Country Status (21)

Country Link
US (1) US4687601A (enrdf_load_stackoverflow)
EP (1) EP0143726B1 (enrdf_load_stackoverflow)
JP (1) JPS60200830A (enrdf_load_stackoverflow)
KR (1) KR850003876A (enrdf_load_stackoverflow)
CN (1) CN85103081B (enrdf_load_stackoverflow)
AT (1) ATE76629T1 (enrdf_load_stackoverflow)
AU (1) AU573141B2 (enrdf_load_stackoverflow)
BR (1) BR8405976A (enrdf_load_stackoverflow)
CA (1) CA1264920A (enrdf_load_stackoverflow)
DD (1) DD232479A5 (enrdf_load_stackoverflow)
DE (1) DE3485751D1 (enrdf_load_stackoverflow)
DK (1) DK549384A (enrdf_load_stackoverflow)
ES (1) ES8607187A1 (enrdf_load_stackoverflow)
FI (1) FI844611L (enrdf_load_stackoverflow)
FR (1) FR2555566B1 (enrdf_load_stackoverflow)
IL (1) IL73609A (enrdf_load_stackoverflow)
MA (1) MA20277A1 (enrdf_load_stackoverflow)
NO (1) NO844657L (enrdf_load_stackoverflow)
PL (1) PL144338B1 (enrdf_load_stackoverflow)
YU (1) YU193884A (enrdf_load_stackoverflow)
ZA (1) ZA849118B (enrdf_load_stackoverflow)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596384B1 (fr) * 1986-03-25 1989-06-30 Comurhex Procede d'obtention d'oxydes mixtes frittes solubles dans l'acide nitrique a partir de solutions de nitrates
US4871479A (en) * 1986-03-25 1989-10-03 Comurhex Societe Pour La Conversion De L'uranium En Metal Et Hexafluorure Process for producing sintered mixed oxides which are soluble in nitric acid from solutions of nitrates
JPH01126591A (ja) * 1987-11-12 1989-05-18 Japan Atom Energy Res Inst 添加物を使わない大結晶粒径ｕｏ↓２燃料の製造方法
DE3805063A1 (de) * 1988-02-18 1989-08-31 Kernforschungsz Karlsruhe Verfahren zur herstellung von kernbrennstoff-mischoxiden aus einer nitrat-loesung
JPH0699154B2 (ja) * 1988-05-25 1994-12-07 三菱マテリアル株式会社 Ｕｏ▲下２▼ペレットの製造方法
US5098677A (en) * 1991-04-05 1992-03-24 The United States Of America As Represented By The Department Of Energy Actinide metal processing
JP2660147B2 (ja) * 1993-07-09 1997-10-08 日本原子力研究所 ワンス・スルー型原子炉燃料化合物
FR2721014B1 (fr) * 1994-06-13 1996-07-26 Comurhex Procédé d'obtention de trioxyde d'uranium par dénitration thermique directe de nitrate d'uranyle.
FR2738076B1 (fr) * 1995-08-25 1997-09-26 Commissariat Energie Atomique Procede de fabrication de pastilles de combustible nucleaire a base d'oxyde mixte (u, pu)o2 avec addition d'un produit organique soufre
FR2742254B1 (fr) * 1995-12-12 1998-02-13 Comurhex Procede d'obtention d'un melange d'oxydes metalliques pulverulents, appartenant a la filiere nucleaire, a partir de leurs nitrates
FR2827072B1 (fr) * 2001-07-04 2005-12-02 Commissariat Energie Atomique Procede de fabrication d'un materiau combustible nucleaire composite constitue d'amas d'(u,pu)o2 disperses dans une matrice de uo2
RU2271401C1 (ru) * 2004-10-18 2006-03-10 Открытое акционерное общество "Приаргунское производственное горно-химическое объединение" Способ переработки ураносодержащих углеаммонийных растворов
CN100431969C (zh) * 2006-11-09 2008-11-12 中国科学院长春应用化学研究所 一种纳米金属氧化物的制备方法
FR3037331B1 (fr) 2015-06-12 2019-09-13 Orano Cycle Installation, procede de denitration thermique, utilisation d'une telle installation et produit obtenu par un tel procede
CN106629854B (zh) * 2016-10-20 2017-12-15 核工业理化工程研究院 微波加热硝酸铀酰溶液生产三氧化铀的方法
CN107162060A (zh) * 2017-05-26 2017-09-15 中核四0四有限公司 一种硝酸铀酰气流式雾化干燥热解脱硝制备uo3工艺
CN108083315B (zh) * 2018-02-08 2020-05-08 中国科学院上海应用物理研究所 一种片状表面结构的球状二氧化钍纳米材料的制备方法以及由此得到的球状二氧化钍颗粒
CN111620361A (zh) * 2020-05-27 2020-09-04 西安交通大学 一种二氧化钍纳米材料的制备方法
CN113447614B (zh) * 2021-06-21 2022-08-09 中国原子能科学研究院 放射性废液煅烧过程中脱硝率测量方法
CN113800551A (zh) * 2021-10-27 2021-12-17 福建省长汀金龙稀土有限公司 一种利用稀土氯化物蒸汽焙解制备稀土氧化物粉的方法
CN117430417A (zh) * 2023-10-24 2024-01-23 中国工程物理研究院激光聚变研究中心 一种氧化铀纳米颗粒的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355393A (en) 1965-09-14 1967-11-28 Minnesota Mining & Mfg Small spherical nuclear fuel particles and processes of making same
FR2088170B1 (enrdf_load_stackoverflow) * 1970-05-25 1975-01-10 Commissariat Energie Atomique
US3761547A (en) * 1970-07-17 1973-09-25 Gen Electric Process for controlling surface area of ceramic powders
FR2370695A1 (fr) * 1976-11-16 1978-06-09 Comurhex Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium
JPS54121442A (en) * 1978-03-13 1979-09-20 Power Reactor & Nuclear Fuel Dev Corp Microwave heating device for radioactive material
US4397778A (en) * 1981-01-09 1983-08-09 Lloyd Milton H Coprocessed nuclear fuels containing (U, Pu) values as oxides, carbides or carbonitrides
US4409157A (en) * 1981-01-21 1983-10-11 Haas Paul A Method for improved decomposition of metal nitrate solutions
FR2526006A1 (fr) * 1982-04-30 1983-11-04 Comurhex Procede d'obtention de uo3 de grande surface specifique a partir de nitrate d'uranyle hydrate
BR8307606A (pt) * 1982-11-30 1984-10-02 Comurhex Processo de obtencao de u03 de grande reatividade por decomposicao termica sob forma solida de nitrato de uranila hidratado
FR2536737B1 (fr) 1982-11-30 1985-12-13 Comurhex Procede d'obtention de uo3 de grande reactivite par decomposition thermique sous forme solide de nitrate d'uranyle hydrate

Also Published As

Publication number Publication date
YU193884A (en) 1987-10-31
FR2555566A1 (fr) 1985-05-31
EP0143726B1 (fr) 1992-05-27
PL144338B1 (en) 1988-05-31
JPS629534B2 (enrdf_load_stackoverflow) 1987-02-28
DE3485751D1 (de) 1992-07-02
IL73609A (en) 1987-12-31
FI844611A0 (fi) 1984-11-23
AU573141B2 (en) 1988-05-26
DK549384D0 (da) 1984-11-20
CN85103081A (zh) 1986-10-22
ATE76629T1 (de) 1992-06-15
ZA849118B (en) 1985-07-31
MA20277A1 (fr) 1985-07-01
FI844611A7 (fi) 1985-05-26
ES537757A0 (es) 1986-05-16
DK549384A (da) 1985-05-26
FI844611L (fi) 1985-05-26
CA1264920A (fr) 1990-01-30
CN85103081B (zh) 1987-07-22
NO844657L (no) 1985-05-28
US4687601A (en) 1987-08-18
DD232479A5 (de) 1986-01-29
FR2555566B1 (fr) 1989-02-17
JPS60200830A (ja) 1985-10-11
AU3584684A (en) 1985-05-30
BR8405976A (pt) 1985-09-17
EP0143726A1 (fr) 1985-06-05
KR850003876A (ko) 1985-06-29
PL250562A1 (en) 1985-06-04

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201